Earnings Per OP Unit of MAALP - Schedule of Diluted Earnings per Common Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share Disclosure [Line Items]
Net income	$ 149,657	$ 216,560	$ 289,231	$ 330,137
Net loss attributable to noncontrolling interests	(3,969)	(5,858)	(7,633)	(8,633)
Distributions to MAALP Series I preferred unitholders	(922)	(922)	(1,844)	(1,844)
Income from continuing operations available for common shareholders, adjusted	144,708	209,631	279,636	319,432
Net income available for MAA common shareholders, adjusted	$ 144,766	$ 209,780	$ 279,754	$ 319,660
Effect of dilutive securities	104	203	157	336
Weighted average common shares - diluted	116,725	115,556	116,558	115,642
Limited Partnership [Member]
Earnings Per Share Disclosure [Line Items]
Net income	$ 149,657	$ 216,560	$ 289,231	$ 330,137
Net loss attributable to noncontrolling interests	0	0	0	293
Income from continuing operations allocated to unvested restricted shares	(58)	(149)	(118)	(228)
Distributions to MAALP Series I preferred unitholders	(922)	(922)	(1,844)	(1,844)
Net income available for MAALP common unitholders, adjusted	$ 148,677	$ 215,489	$ 287,269	$ 328,358
Weighted average common units - basic	119,776	118,555	119,558	118,509
Earnings per common unit - basic	$ 1.24	$ 1.82	$ 2.4	$ 2.77
Net income available for MAALP common unitholders, adjusted	$ 148,735	$ 215,638	$ 287,387	$ 328,586
Effect of dilutive securities	104	203	157	336
Weighted average common shares - diluted	119,880	118,758	119,715	118,845
Earnings per common unit - diluted	$ 1.24	$ 1.82	$ 2.4	$ 2.76